Sambashiva Rao1, A. et al. 2018. Ultrasonically Assisted Halogenation of Aromatic Compounds using Isoquinolinium Bound Hypervalent Chromium and Tetrabutylammonium Halides in PEG-600 Solutions under Acid Free and Solvent-Free Conditions. Asian Journal of Chemistry. 30, 8 (Jun. 2018), 1892–1896. DOI:https://doi.org/10.14233/ajchem.2018.21413.